Shades of gray

By using equal values for red, green, and blue, you will get different shades of gray:

rgb(60, 60, 60)

rgb(90, 90, 90)

rgb(120, 120, 120)

rgb(180, 180, 180)

rgb(210, 210, 210)

rgb(240, 240, 240)

The inline styles used on this page

<h2 style="background-color:rgb(60, 60, 60); rgb(0, 255, 0)">
<h2 style="background-color:rgb(90, 90, 90); color: rgb(0, 255, 0);">
<h2 style="background-color:rgb(120, 120, 120); color: rgb(0, 255, 0);">
<h2 style="background-color:rgb(210, 210, 210);">
<h2 style="background-color:rgb(240, 240, 240);">